season? Yes, I use the omega-3, vitamin D, and fish oil. Those are the three vitamin supplements that I take daily, no matter what time of year it is, just to combat any illnesses or viruses that may be present in my body that I'm unaware of. Those are the only things that I would suggest, as well as eating orange, raw oranges, lemons, and limes. This also helps to combat, you know, bacterial infections.